Ultrasound therapy base unit



FIG. 1 is a front perspective view of a ultrasound therapy base unitshowing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a right elevational view, the left elevational view being amirror thereof; and,

FIG. 5 is a top plan view.

The broken line showing is for illustrative purposes only and forms nopart of the claimed design.

The ornamental design for ultrasound therapy base unit, as shown anddescribed.